大气中遗留的和新出现的全氟烷基和多氟烷基物质 (PFAS):全面回顾

IF 4.4 2区 工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY
BiTing Qiao, DongBao Song, Hao Chen, YiMing Yao, HongWen Sun
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引用次数: 0

摘要

随着全氟烷基和多氟烷基物质(PFAS)的长期生产和广泛应用,在包括大气在内的全球各种介质中都检测到了这种物质。自逐步限制和淘汰 C8 全氟烷基酸(PFAA)以来,新出现的 PFAS 替代品(如短链 PFAA 同系物、全氟醚羧酸和磺酸)对环境造成污染的报道时有发生。尽管对水生环境中新出现的全氟辛烷磺酸替代品进行了广泛的监测,但在过去十年中,很少有研究对大气中新出现的未知全氟辛烷磺酸进行目标分析和非目标筛选 (NTS)。为了填补这一空白,除了传统的 PFAS 外,本综述还重点关注了大气中新出现的 PFAS。报告总结了大气中中性和离子型 PFAS 目标分析和 NTS 的采样、预处理和仪器分析方法,以及针对大气中 PFAS 的不同采样和 NTS 方法的优势和目前的局限性。综述了大气中遗留的和新出现的全氟辛烷磺酸的全球水平、组成和时空分布特征,并阐明了它们的迁移、转化和干/湿沉降。综述强调了制定和应用目标、疑似物筛选和 NTS 一体化战略对于深入了解大气中新出现的 PFAS 的重要性,并为未来研究提供了参考。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Legacy and emerging per- and polyfluoroalkyl substances (PFAS) in the atmosphere: A comprehensive review

With long-term production and widespread application, per- and polyfluoroalkyl substances (PFAS) have been detected in various media worldwide, including the atmosphere. Since the gradual restriction and phase-out of C8 perfluoroalkyl acids (PFAAs), environmental contamination by emerging PFAS substitutes such as short-chain PFAA homologues, perfluoroether carboxylic, and sulfonic acids has been reported. Although there has been extensive monitoring of emerging PFAS substitutes in the aquatic environment, few studies have conducted target analysis and nontarget screening (NTS) of emerging unknown PFAS in the atmosphere over the past decade. To fill the gap, this review focused on emerging PFAS in the atmosphere in addition to legacy PFAS. The reported sampling, pretreatment, and instrumental analysis methods for target analysis and NTS of both neutral and ionic PFAS in the atmosphere are summarized, along with the advantages and current limitations of different sampling and NTS methods for PFAS in the atmosphere. The global levels, composition, and spatiotemporal distribution characteristics of legacy and emerging PFAS in the atmosphere are summarized and their transport, transformation, and dry/wet deposition are elucidated. The review highlights the importance of developing and applying the all-in-one strategy integrating target, suspect screening, and NTS to gain insights into emerging PFAS in the atmosphere and provide a reference for future research.

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来源期刊
Science China Technological Sciences
Science China Technological Sciences ENGINEERING, MULTIDISCIPLINARY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
8.40
自引率
10.90%
发文量
4380
审稿时长
3.3 months
期刊介绍: Science China Technological Sciences, an academic journal cosponsored by the Chinese Academy of Sciences and the National Natural Science Foundation of China, and published by Science China Press, is committed to publishing high-quality, original results in both basic and applied research. Science China Technological Sciences is published in both print and electronic forms. It is indexed by Science Citation Index. Categories of articles: Reviews summarize representative results and achievements in a particular topic or an area, comment on the current state of research, and advise on the research directions. The author’s own opinion and related discussion is requested. Research papers report on important original results in all areas of technological sciences. Brief reports present short reports in a timely manner of the latest important results.
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